AIDS - epidemiology and natural history, Anne M. Johnson; virology of AIDS, Quentin Sattentau; early HIV infection - clinical features and management, Richard Gilsen; respiratory manifestations of AIDS, A.B. Miller; neurological problems, Chris Carne and H. Harrison; gastrointestinal and miscellaneous clinical problems, Adrian Mindel; Kaposi's sarcoma, Neil P. Smith; lymphomas and other tumours, Margaret F. Spittle; HIV infection - obstetric and paediatric issues, Jacqueline Mok and Frank Johnson; AIDS and drugs misuse, Ray Robertson; haemophilia and blood transfusions, Charles D. Forbes; clinical manifestations of AIDS in Africa, Marie Laga and Peter Piot; HIV and the general practitioner, Peter Willis; counselling in the context of HIV infection and disease, Lesley Glover and David Miller; treatment and prevention, I. Williams and I. Weller.